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48 lines
1.3 KiB
48 lines
1.3 KiB
import { CHAIN_IDS, MAX_SAFE_CHAIN_ID } from '../constants/network';
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/**
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* Checks whether the given number primitive chain ID is safe.
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* Because some cryptographic libraries we use expect the chain ID to be a
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* number primitive, it must not exceed a certain size.
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*
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* @param {number} chainId - The chain ID to check for safety.
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* @returns {boolean} Whether the given chain ID is safe.
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*/
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export function isSafeChainId(chainId) {
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return (
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Number.isSafeInteger(chainId) && chainId > 0 && chainId <= MAX_SAFE_CHAIN_ID
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);
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}
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/**
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* Checks whether the given value is a 0x-prefixed, non-zero, non-zero-padded,
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* hexadecimal string.
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*
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* @param {any} value - The value to check.
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* @returns {boolean} True if the value is a correctly formatted hex string,
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* false otherwise.
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*/
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export function isPrefixedFormattedHexString(value) {
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if (typeof value !== 'string') {
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return false;
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}
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return /^0x[1-9a-f]+[0-9a-f]*$/iu.test(value);
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}
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/**
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* Check if token detection is enabled for certain networks
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*
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* @param chainId - ChainID of network
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* @returns Whether the current network supports token detection
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*/
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export function isTokenDetectionEnabledForNetwork(chainId) {
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switch (chainId) {
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case CHAIN_IDS.MAINNET:
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case CHAIN_IDS.BSC:
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case CHAIN_IDS.POLYGON:
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case CHAIN_IDS.AVALANCHE:
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return true;
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default:
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return false;
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}
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}
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